Abstract: A method for producing a panel sandwich (2, 17, 40) for use as a wall, ceiling or floor panel (1, 16) comprising at least the following steps: providing a base panel (7, 20, 31) made of wood-based material, arranging a sound-insulating layer (9, 18) above the base panel (7, 20, 31), arranging a cover panel (11, 22, 38) above the base panel (7, 20, 31), pressing the sandwich, wherein an elastic plastic material is used to produce the sound-insulating layer (9, 18), wherein according to a first alternative of the invention, a closed-cell foam (9a) is arranged as the elastic plastic material, wherein the plastic material before being introduced into the sandwich panel has an elasticity modulus under pressure of 0.25 MPa to 1.5 MPa, according to a second alternative of the invention, the elastic plastic material applied is a self-adhesive plastic material (18c) which connects the base panel (20) to the cover panel (22), is elastic when set, has an elasticity modulus under pressure of 0.25 MPa to 1.

Abstract: The invention relates to a device for connecting and locking two building boards, in particular floor panels, on their longitudinal sides and/or transverse sides in the horizontal and vertical direction through an essentially vertical joining movement. The building boards have a top side and an underside. On their lateral edges (I, II) to be connected to one another are provided with profiles corresponding to one another, and a locking element is provided in the profile of the first building board, which locking element has an inner end and an outer end and is inserted with the inner end in a groove of the first building board, and which interacts with a locking depression provided in the profile of the second building board such that the two building boards are automatically locked in the vertical direction with the joining movement.

Abstract: A method for producing a pattern, in particular a wood pattern, on the face of a woodbased-material board. The pattern is preset with the aid of a digital data set and applied to the woodbased-material board via an intaglio printing process. The pattern is covered with at least one synthetic resin layer and pressed with the woodbased-material board. The digital data set is used to produce a sample print by use of an inkjet printing process, which print is used to compare with the pattern print on the woodbased-material board in terms of optical appearance. The materials and/or printing conditions used in the pattern printing and the sample printing are coordinated with one another.

Abstract: Disclosed is a method for printing a wood material board, in particular a wood fiber material board, by means of a digital printing process. The method includes the steps of (a) printing at least one side of a wood material board by means of digital printing technology, forming a decorative layer; (b) applying a protective layer containing at least one resin, at least one radiation-curable varnish and/or at least one polyurethane to the decorative layer of the wood material board; and (c) pre-drying and/or pre-gelling the protective layer applied to the decorative layer of the wood material board.

Abstract: A method for producing a wood-fiber board, which has a pattern on the top, in that glued wood fibers are scattered at least one layer to form a fiber cake, and the fiber cake is subsequently compressed under pressure and temperature to form a board of the desired thickness, is characterized in that the pattern is applied to the fiber cake before compression. An installation for producing a wood-fiber board with a scattering device, by means of which a fiber cake comprising at least one layer of wood fibers glued with resin is scattered, and a conveyor device, which conveys the fiber cake in a process direction to a pressing device in which the fiber cake is pressed to form a board of the desired thickness, is characterized in that a printing device is arranged above the conveyor device between the scattering device and the pressing device.

Abstract: The invention relates to a method for processing a side edge of a panel (2), in particular a floor panel, with a top (18) and a bottom (19), which on at least two side edges lying opposite one another has profiles corresponding to one another such that two identically embodied panels (2) can be joined and locked to one another in the horizontal and vertical direction by an essentially vertical joining movement, wherein the locking in the vertical direction can be produced by at least one tongue element formed in one piece from the core and moveable in the horizontal direction, which tongue element during the joining movement snaps in behind a locking edge extending essentially in the horizontal direction and the tongue element is exposed by means of at least one essentially vertical slot with respect to the core, and at least one of the slots is not embodied in a continuous manner over the entire length of the side edge, wherein the at least one non-continuous slot is produced by at least one guided tool (41)

Abstract: A method for producing panels and a panel produced according to the method is provided.

Abstract: A panel, especially floor panel comprises a core produced of a wood product or a mixture of a wood product/synthetic material. The panel includes a top and a bottom, and is provided with mating hook elements on at least two opposite lateral edges thereof. The first hook element is formed by a profiled section which is essentially open to the top and the second hook element is formed by a profiled section which is essentially open to the bottom. The profiled section on the first hook element forms a projection which is essentially facing the top and on the second hook element forms a projection which is essentially open to the bottom. Two identical panels can be interconnected and interlocked by an essentially vertical joining movement in the horizontal and the vertical direction. At least one of the projections is deviated during the joining movement in the horizontal direction and then snaps into a locking edge which extends essentially in the horizontal direction to vertically lock the panels.

Abstract: The invention relates to a method for applying a decoration to the upper face of a composite wood board, in particular a MDF or HDF board, wherein said method is characterised in that at least one second decoration produced by digital printing is applied to a first decoration produced by intaglio printing.

Abstract: A method for finishing an engineered wood board. The method includes: cleaning the top and bottom, applying a first top resin layer, which contains corundum particles, to the top and a first bottom resin layer to the bottom, drying the first top and first bottom resin layers to a residual moisture content of 3% to 6%, applying a second top resin layer, which contains cellulose, to the top and a second bottom resin layer to the bottom, drying the second top and second bottom resin layers to a residual moisture content of 3% to 6%, applying an at least third top resin layer, which contains glass particles, to the top and an at least third bottom resin layer to the bottom, drying the third top and third bottom resin layers to a residual moisture content of 3% to 6%, and pressing the multilayer structure under pressure and heat.

Abstract: A panel, in particular a floor panel, with a core consists of a wood material or a wood material-plastic mixture. A top side and a bottom side are provided. The panel has on a first lateral edge a lower locking element, which includes a first arm that is arranged on the bottom side of the panel and that projects over the first lateral edge. A first hook element with an undercut is arranged on an outer end of the first arm. The panel has on a second lateral edge that is opposite to the first lateral edge an upper locking element with a second arm that is arranged on the top side of the panel and that projects over the second lateral edge. A second hook element, which has at least one locking nose, is arranged on an outer end of the second arm, such that two identically designed panels can be connected and locked to one another in the horizontal direction and in the vertical direction after the locking nose of one panel is snapped into the undercut of a second panel.

Abstract: The invention relates to a method for producing floor panels, characterized by the following steps: a) scattering glued wood fibers or wood chips to form a wood material cake, b) pressing the wood material cake at elevated temperature to form a large-format substrate plate, which is provided press-finished and has a press skin that arose during the production of the substrate plate at least on the top of the substrate plate, c) applying a base coat made of a liquid melamine-based resin to the upper face of the substrate plate, wherein the resin at least partially diffuses into the top surface layer of the substrate plate and at least partially penetrates and improves the region of the press skin, d) drying the base coat, e) applying a primer to the base coat, f) drying the primer, g) applying at least one water-based paint enriched with pigments in order to produce a decoration, i) applying a seal made of at least one melamine-based resin enriched with wear-resistant particles and cellulose fibers, j) drying

Abstract: A building board, in particular of wooden material, plastic or a mixture of wooden material and plastic, with a top side and an underside and side edges. A polyurethane layer is applied at least on the top side. A decorative layer imitating a natural material is applied onto the polyurethane layer.

Abstract: A method for producing a wood-fiber board, which has a pattern on the top, in that glued wood fibers are scattered at least one layer to form a fiber cake, and the fiber cake is subsequently compressed under pressure and temperature to form a board of the desired thickness, is characterized in that the pattern is applied to the fiber cake before compression. An installation for producing a wood-fiber board with a scattering device, by means of which a fiber cake comprising at least one layer of wood fibers glued with resin is scattered, and a conveyor device, which conveys the fiber cake in a process direction to a pressing device in which the fiber cake is pressed to form a board of the desired thickness, is characterized in that a printing device is arranged above the conveyor device between the scattering device and the pressing device.

Abstract: A device for applying a suspension to which particles, in particular corundum particles, have been added onto a base plate, with a roller mill comprising an applicator roll and a metering roll interacting with the applicator roll. An application groove with two groove halves project laterally and tilt downwards at an angle a to the horizontal with slots on the base side arranged above the roller mill.

Abstract: A method for producing a wood-fiber board, which has a pattern on the top, in that glued wood fibers are scattered at least one layer to form a fiber cake, and the fiber cake is subsequently compressed under pressure and temperature to form a board of the desired thickness, is characterized in that the pattern is applied to the fiber cake before compression. An installation for producing a wood-fiber board with a scattering device, by means of which a fiber cake comprising at least one layer of wood fibers glued with resin is scattered, and a conveyor device, which conveys the fiber cake in a process direction to a pressing device in which the fiber cake is pressed to form a board of the desired thickness, is characterized in that a printing device is arranged above the conveyor device between the scattering device and the pressing device.

Abstract: A panel has a core of wood material or a wood material/plastic mixture, a top and an underside, and two opposite side edges, which have profiles that correspond to each other such that two identically configured panels can be connected and locked to one another in the horizontal (H) and vertical (V) directions by an essentially vertical joining movement. The locking in the horizontal direction (H) can be brought about by a hook connection with an upper locking section having a hook element and a lower locking section having a hook element. The locking in the vertical direction (V) can be brought about by at least one tongue element that is formed from the core in one piece and can be moved in the horizontal direction (H).

Abstract: A device for locking two building boards connected to one another in a direction (V) perpendicular to a visible side. The device includes a first building board with a lateral edge (I) and a first groove and running parallel to the visible side. The device further includes at least one second building board with a lateral edge (II) and with a second groove and running parallel to the visible side, and a locking element that is placed in the first groove of the first building board to engage in the second groove of the second building board, when both grooves have reached an overlapping position after the connection of the building boards by a vertical lowering movement.

Abstract: A method of forming a panel having a core of a wood material or wood material/plastic mixture and a top side and an underside is provided. The method includes forming a profile corresponding to one another on at least a first side edge and a second side edge lying opposite one another. The method further includes forming a hook connection with an upper locking section having a hook element and a lower locking section having a hook element which effects the locking in the horizontal direction, and forming at least one spring element movable in the horizontal direction which effects the locking in the vertical direction (V). The at least one spring element is free in the direction of the first side edge lying opposite by an essentially vertical slot. In the method of manufacturing, the panel is moved at a constant speed when the essentially vertical slot is formed.

Abstract: A method for laying floor panels in a room to form a closed floor area on a laying plane (R) without using an adhesive. The floor panels especially comprising a wood material, such as MDF or HDF, and having matching corresponding profiles on opposite longitudinal edges (I, I?) and transverse edges (II, II?). The closed floor area is obtained by interconnecting a plurality of panels on their transverse edges (II, II?) to give a row (R1) and on their longitudinal edges (I,I?) to give a plurality of rows (Rn) and then locking them in relation to each other.